Specification

7
TROUBLESHOOTING GUIDE
The following information is intended as an aid in determining if problem exists. Pump and ram should be repaired
only by authorized Porto-Power Service Center. For repair service, contact service center in your area.
Symptom Possible Causes Corrective Action
Erratic action •
Air in system or pump cavitation.
• External leakage in ram.
• Ram sticking or binding.
• Vent the system (refer to gure 3).
• Contact service center.
• Contact service center.
Ramr will not extend, or
respond to pressurized uid
•
Overload condition.
• Loose/Faulty couplers.
• Oil level in pump is low.
• Remedy overload condition.
• Tighten/Replace couplers.
• Fill and bleed the system.
Ram extend only partially • Oil level in pump is low.
•
Overload condition.
• Ram is sticking or binding.
• Pump malfunction.
• Fill and bleed the system.
• Remedy overload condition.
• Contact service center.
• Contact service center.
Ram move slower than normal • Loose connection or coupler.
•
Restricted hydraulic line or tting.
• Pump not working correctly.
• Ram seals leaking.
• Tighten connection or coupler.
• Clean and replace if damaged.
• Check pump’s operating
instructions.
• Contact service center.
Ram responds to pressurized
uid, but system does not maintain
pressure
• Overload condition.
• Pump malfunctioning.
• Ram seals leaking.
• Remedy overload condition.
• Contact service center.
• Contact service center.
Oil leaking from ram • Worn or damaged seals. • Contact service center.
Ram will not retract or retracts
slower than normal
• Malfunctioning coupler, damaged
application.
• Pump reservoir overlled.
• Ram damage internally.
• Secure load by other means.
Depressurize pump and hoses,
remove application and replace
coupler.
• Secure load by other means.
Depressurize pump and hoses,
remove application, then drain
uid to proper level.
• Contact service center.
Poor performance • Oil level in pump is low.
• Air trapped in system.
• Ensure proper oil level.
• Vent the system (refer to gure 3).